JBL JRX218S 18" Subwoofer

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$475.00 to $680.00

5.0 (1)

1 Review

0 wishlisted

1 saved

Page last updated Jul 04, 2026

Pricing and availability

We compare 600+ stores and found this item at 6 stores. Prices updated July 2, 2026.

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4.5 (3)

$680.00

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5.0 (1)

$680.00

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4.2 (47)

$680.00 New

$339.00 Used (Like New)

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5.0 (4)

$659.00 9 available New

$339.00 8 available Used

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5.0 (1)

$680.00

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4.7 (32)

$475.00

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Price History

Based on price data from 4 merchants for "JBL JRX218S 18" Subwoofer". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

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Unleash the power of your live performances with the JBL JRX218S 18" Subwoofer, a robust addition to any sound setup. Crafted to deliver deep, thunderous lows, this subwoofer is perfect for musicians and sound engineers looking to elevate their audio experience. The JRX218S is built to handle the demands of any stage environment, offering a compact yet powerful design that packs a punch without taking up too much space.

Constructed with JBL's signature quality, the JRX218S features a durable enclosure, ensuring longevity and reliability in various settings, from intimate gigs to larger venues. Its 18" woofer is engineered for optimal bass response, allowing you to feel the music as much as you hear it. The advanced crossover network ensures seamless integration with other speakers, delivering a cohesive and impactful sound.

Whether you're setting up for a band performance or enhancing a DJ set, the JRX218S offers unmatched performance and versatility, making it a staple in any professional audio setup. It's time to transform your sound with this powerhouse subwoofer.

Key Features:

18" high-power woofer for deep bass
Frequency range: 34 Hz - 250 Hz
Power handling: 350W continuous, 1400W peak
Durable, road-ready construction
Advanced crossover network for seamless sound integration
Compact design for easy transport and setup

Product specs

Powered	No
LF Driver Size	1 x 18" M118-4 Speaker
Impedance	4 ohms
Power Rating	350W Program
Total Power	1400W Peak
Inputs	2 x SpeakON (parallel)
Frequency Range	34Hz-250Hz (-10dB)
Frequency Response	53Hz-250Hz (±3dB)
Maximum Peak SPL	133dB SPL
Mounting Options	Floor
Enclosure Material	Plywood
Height	23.5"
Width	20.3"
Depth	22"
Weight	71 lbs.

FAQs

Is the JBL JRX218S subwoofer powered or passive?: The JBL JRX218S is a passive subwoofer, meaning it requires an external amplifier to operate.
What are the connectivity options for the JBL JRX218S subwoofer?: The JBL JRX218S features 2 SpeakON inputs wired in parallel, allowing for flexible connectivity with your audio system.
How much power can the JBL JRX218S handle?: The JBL JRX218S can handle up to 350 watts of program power and 1400 watts of peak power, making it suitable for various live sound applications.
What is the frequency range of the JBL JRX218S subwoofer?: The JBL JRX218S has a frequency range of 34Hz to 250Hz (-10dB), providing deep bass response suitable for live sound reinforcement.
How does the JBL JRX218S subwoofer perform in terms of sound pressure level?: The JBL JRX218S can achieve a maximum peak SPL of 133dB, delivering powerful bass output for live performances.

Videos

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The Stuff I Use Channel

✅ How To Use JBL JRX218S 18 Inch Subwoofer Speaker Review

The Stuff I Use Channel

JBL JRX215+218S - Thunder

The Speaker Guy 2

PRO DJ's Unbox 18" Subwoofers Extreme Bass JBL JRX218S JRX200 Series

OHLR

JBL JRX218s Slight Excursion

Morgan K

Reviews

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PROS

Produces deep, low-frequency bass for a full sound experience
Solid construction and durability expected from JBL
Impressive sound quality at an entry-level price
Compact design requires minimal space, enhancing portability
Performs well in both indoor and outdoor settings
Compatible with various sound setups for flexible use
Capable of delivering clear sound even at high volumes
Works effectively with a wide range of amplifiers and equipment

CONS

Requires a powerful amplifier for optimal performance
Passive design necessitates additional sound equipment
May not suit users unfamiliar with passive speaker setups

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about JBL JRX218S 18" Subwoofer.

Features and functionality

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The JBL JRX218S subwoofer has an output of 123 dB, but incorrect setup can lead to significantly reduced performance.
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Setup and maintenance

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Correct phase and wiring are crucial; mismatched XLR wiring or settings can cause phase cancellation, impacting bass output.
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Ensuring the sub is set to "line" instead of "mic" and using balanced cables can resolve sound quality issues.
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User experience

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The JBL JRX218S, when properly configured, can produce satisfying bass at quarter volume, even if initially perceived as quiet.
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JRX series, including the JRX218S, is noted for having horns that frequently fail, though they are reportedly easy to replace.
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Value and pricing

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At 300 watts, the JBL JRX218S is considered underpowered compared to 1000-watt QSC K10 tops, leading to imbalance without careful adjustment.
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Use cases and applications

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For optimal performance, configure the setup with the mixer feeding into the sub first, then to the tops, and adjust volumes accordingly.
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A setup with JRX215 and Yamaha 18" subs can effectively handle a 100-person club with proper EQ adjustments.
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Comparisons

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Users recommend Yorkville LS801P or QSC KW181 for more powerful low-end output compared to the JBL JRX218S.
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Users suggest upgrading to JBL PRX 412M and PRX 418S for better sound quality and versatility compared to JRX218S.
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EV SX300 paired with a decent dual 18 sub is recommended for superior low-end performance over JRX218S.
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PRX series is described as providing a more "airy" sound compared to the JRX series, making it potentially better for techno/tech house music.
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5.0 out of 5

Based on 1 Review and 1 Rating

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ohlr

102

over 5 years ago

Excellent Rugged Subwoofer

This 18" passive subwoofer from JBL produces extra low frequency bass to bring the full sound experience to our gigs. It is durable and well constructed. We use these subwoofers for our mobile DJ events, YouTube channel, and for producing live bands in small venues.

Roles:

Composer Music Producer DJ

Genres:

Electronic Pop Techno